xref: /freebsd/sys/dev/rtwn/if_rtwnreg.h (revision af6a5351a1fdb1130f18be6c782c4d48916eb971)
1 /*-
2  * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr>
3  * Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org>
4  *
5  * Permission to use, copy, modify, and distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  *
17  * $OpenBSD: if_urtwnreg.h,v 1.3 2010/11/16 18:02:59 damien Exp $
18  * $FreeBSD$
19  */
20 
21 #define R92C_MIN_TX_PWR		0x00
22 #define R92C_MAX_TX_PWR		0x3f
23 
24 #define R92C_H2C_NBOX		4
25 
26 
27 /* Common part of Tx descriptor (named only!). */
28 struct rtwn_tx_desc_common {
29 	uint16_t	pktlen;
30 	uint8_t		offset;
31 	uint8_t		flags0;
32 #define RTWN_FLAGS0_OWN	0x80
33 
34 	uint32_t	txdw1;
35 /* NB: qsel is shared too; however, it looks better at the lower level */
36 #define RTWN_TXDW1_CIPHER_M	0x00c00000
37 #define RTWN_TXDW1_CIPHER_S	22
38 #define RTWN_TXDW1_CIPHER_NONE	0
39 #define RTWN_TXDW1_CIPHER_RC4	1
40 #define RTWN_TXDW1_CIPHER_SM4	2
41 #define RTWN_TXDW1_CIPHER_AES	3
42 
43 	uint32_t	reserved[5];
44 
45 	union txdw7_shared {
46 		uint16_t	usb_checksum;
47 		uint16_t	pci_txbufsize;
48 	} txdw7;
49 } __packed __attribute__((aligned(4)));
50 
51 /*
52  * Macros to access subfields in registers.
53  */
54 /* Mask and Shift (getter). */
55 #define MS(val, field)							\
56 	(((val) & field##_M) >> field##_S)
57 
58 /* Shift and Mask (setter). */
59 #define SM(field, val)							\
60 	(((val) << field##_S) & field##_M)
61 
62 /* Rewrite. */
63 #define RW(var, field, val)						\
64 	(((var) & ~field##_M) | SM(field, val))
65 
66 
67 #define RTWN_MAX_CONDITIONS	3
68 
69 /*
70  * Structure for MAC initialization values.
71  */
72 struct rtwn_mac_prog {
73 	uint16_t	reg;
74 	uint8_t		val;
75 };
76 
77 /*
78  * Structure for baseband initialization values.
79  */
80 struct rtwn_bb_prog {
81 	int		count;
82 	const uint16_t	*reg;
83 	const uint32_t	*val;
84 	const uint8_t	cond[RTWN_MAX_CONDITIONS];
85 	const struct rtwn_bb_prog *next;
86 };
87 
88 struct rtwn_agc_prog {
89 	int		count;
90 	const uint32_t	*val;
91 	const uint8_t	cond[RTWN_MAX_CONDITIONS];
92 	const struct rtwn_agc_prog *next;
93 };
94 
95 /*
96  * Structure for RF initialization values.
97  */
98 struct rtwn_rf_prog {
99 	int		count;
100 	const uint8_t	*reg;
101 	const uint32_t	*val;
102 	const uint8_t	cond[RTWN_MAX_CONDITIONS];
103 	const struct rtwn_rf_prog *next;
104 };
105 
106 
107 /* XXX move to net80211. */
108 static __inline int
109 rtwn_chan2centieee(const struct ieee80211_channel *c)
110 {
111 	int chan;
112 
113 	chan = c->ic_ieee;
114 	if (c->ic_extieee != 0)
115 		chan = (chan + c->ic_extieee) / 2;
116 
117 	return (chan);
118 }
119